Logiquiz – Daily Self-Referential Puzzles
Hey HN, About twenty years ago, while I was in college, I first stumbled upon James Propp's Self-Referential Aptitude Test [1] and absolutely loved it. Ever since then, I've had this idea of turning that concept into a daily game, and I've finally built it: https://www.logiquiz.com/ The game interface checks each question against the answers you've given, so it doesn't spoil anything by giving away the answers. There are five different tests each day, from very easy to very hard. I'd love to hear what you think! [1]: https://faculty.uml.edu/jpropp/srat-Q.txt
Logiquiz – Daily Self-Referential Puzzles launched on April 23, 2025 with 38 votes, #663 of 7,818 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 1 year on.
In plain words
Logiquiz offers daily self-referential logic puzzles inspired by James Propp's Self-Referential Aptitude Test. Players answer questions where the correct responses depend on the answers they've already given, requiring logical thinking to solve the puzzle consistently. The game provides five tests daily across difficulty levels from easy to hard, with an interface that validates answers without revealing solutions prematurely. It's designed for puzzle enthusiasts and logic game players.
written from the facts on this page · September 2026
From the sources
Play free self-referential quizzes daily. Quizzes whose questions are about their own answers - a unique logic challenge with multiple difficulty levels.
A new set of self-referential quizzes goes up here every day, free to play in your browser. There is nothing to install and nothing to sign up for. Open the page, read the questions, and start picking answers. Each day brings six quizzes at different difficulty levels, so you can take a two-minute warm-up or settle into something that will hold you for half an hour. A self-referential quiz is a multiple-choice quiz where the questions are about the quiz itself: how many answers are B, which question shares an answer with this one, what the answer to question #3 is. They reward patience and careful reading rather than trivia knowledge, which is what makes them such a durable format for…from logiquiz.com
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